@book{165913,
	author = {Quine, W. V. and ebrary, Inc.},
	title = {Philosophy of logic},
	publisher = {Harvard University Press,},
	year = {1986.},
	address = {Cambridge, MA :},
	edition = {2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10314240}
}